riannatremper riannatremper

09-02-2017
Mathematics

Answered

sec^2xcotx-cotx=tanx

Verified Answer :

LammettHash LammettHash

09-02-2017

\(sec^2x\cot x-\cot x=\cot x(\sec^2x-1)=\cot x\tan^2x=\tan x\)

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